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Veterinarian Marcus Kehrli records data on a dairy calfImage Number K7277-1 Veterinarian Marcus Kehrli records data on a dairy calf that has a genetic disorder called Bovine Leukocyte Adhesion Deficiency. Scientists hope to eliminate BLAD from dairy herds through research and DNA testing.  Photo by Chuck Greiner  640 pixels wide: (k7277-1.jpg)   Please visit our Image Gallery


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